Bond markets around the world are under pressure, as investors sell bonds and demand higher returns to lend governments money.It's pushing up borrowing costs and the effects can flow through to the mortgages, bank loans and credit cards we rely on every day. So, what’s driving the global bond sell off, and is the Trump administration's ballooning government debt to blame?Today, Justin Wolfers, professor of economics and public policy at the University of Michigan, explains what’s happening in the bond market and what it means for your money.  Featured:  Justin Wolfers, professor of economics at the University of Michigan and founder of Platypus Economics